Facebook users have been given one week to vote on whether the social network should introduce proposed changes to its privacy and user rights policies.

The website's terms and conditions state that if a proposition lands more than 7,000 comments it will be put to public vote.

In recent months, proposed Data Use policy and Statement of Rights and Responsibilities documents exceeded this figure, meaning that the service's subscriber base of almost 1 billion will decide whether the measures are implemented.

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The proposed changes include a new section explaining how Facebook uses personal information, and the option to serve adverts to users on external websites based on their listed interests.

In order to be binding, at least 30% of the network's users will need to cast their votes. The results will be calculated by an independent auditor.